Importance

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Abstract

A subsoil applicator has an upright shank provided with a leading soil-slicing edge and a pair of opposite sides. At the bottom of the shank, a pair of soil lifting wings are provided, presenting a pair of outermost wing edges that diverge rearwardly from the lowermost and forwardmost point of the shank to the rear extremity of the applicator. The wings are generally relatively thin and flat except for a thickened portion across their rear extremity making an upright, rearwardly facing rear wall. A pair of laterally spaced discharge outlets are located in the rear wall and communicate with an internal tubular passage within the shank for delivering substance down into the soil behind the wall as the applicator advances through the soil. The discharge outlets are located in undercut portions of the rear wall, while top, upwardly facing surfaces of the thickened portion are convexly curved to improve soil flow and provide extra protection against premature wear for the internal substance passageways.

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First Claim